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Enabling the Dedicated Administrator Connection (DAC) in SQL Server Express


Enabling the Dedicated Administrator Connection (DAC) in SQL Server Express

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K. Brian Kelley
K. Brian Kelley
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Comments posted to this topic are about the item Enabling the Dedicated Administrator Connection (DAC) in SQL Server Express

K. Brian Kelley
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Roberto Filippi
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to me on Express 2008 it still says that DAC isn't enabled, though the log says that it's enabled. I don't understand
noeld
noeld
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Although certainly cool, there should be very little value of this on SQL Express


* Noel
K. Brian Kelley
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Roberto Filippi (10/21/2009)
to me on Express 2008 it still says that DAC isn't enabled, though the log says that it's enabled. I don't understand


I had to do the work around I mentioned in the article. I also had to do so with appropriate privileges to make those changes. When you check the startup parameters, do you see the indicators that SQL Server Express has picked up the additional trace flag?

K. Brian Kelley
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K. Brian Kelley
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noeld (10/21/2009)
Although certainly cool, there should be very little value of this on SQL Express


In a regular production environment I would tend to agree. This came out of the comments I saw when folks were trying to use Logon Triggers and not being able to use the DAC. Turns out they were using SQL Server Express because it's what was installed on their systems.

K. Brian Kelley
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Roberto Filippi
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Pardon Brian, firt of all I forgoto to thank you for your work

The flag seems to be on, as you well explained to check in logs
K. Brian Kelley
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And the log says that the DAC isn't enabled?

K. Brian Kelley
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Roberto Filippi
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This is the situation:
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Immagine1.JPG (32 views, 109.00 KB)
Immagine2.JPG (23 views, 23.00 KB)
Immagine3.JPG (23 views, 40.00 KB)
K. Brian Kelley
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Is SQL Browser running. Can you connect if you specify the port?

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Roberto Filippi
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Yes, it seems to be running. Look at image2

Moreover it doesn't connect if I specify the port
Look at this. The message in italian means 'server not found or not accessible. Check if DAC is enabled'

Tnx
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Immagine4.JPG (22 views, 68.00 KB)
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